100% Free
No hidden charges
Instant Results
No waiting
No Sign-up
Use immediately
Unlimited Use
No daily limits
What is XML Formatter?
Format, beautify, and validate XML data. Transform minified XML into readable, properly indented format. Catch syntax errors and ensure your XML documents are well-formed.
Key Features
How to Use XML Formatter
Paste your XML data
Click Submit to format
View formatted and validated XML
Copy the result
Common Use Cases
Tips & Best Practices
Check for unclosed tags — the most common XML error
Attribute values must be quoted (single or double)
XML is case-sensitive: <Tag> and <tag> are different elements
Frequently Asked Questions
What makes XML valid?
Well-formed XML must have a root element, properly nested and closed tags, proper attribute quoting, and valid character encoding.
More Encoding Tools
Explore other tools in this category
Explore Other Categories
Discover tools across different categories
XML Formatter is part of our Encoding tools collection at AllInAOne. Use our free online tools for all your encoding needs — no registration required.